Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Doctor and Light first meet in mansion hall
S26E7
·
Ghost Light Part 3
To
Light reveals genocidal plan in dining room clash
S26E7
·
Ghost Light Part 3
Why These Connect
The narrative assertion
"Light's initial introduction in the Entrance Hall establishes his role as an alien surveyor, which directly leads to his eventual revelation of his genocidal plan in the Dinning Room. The Doctor's immediate interaction with Light sets up the conflict that culminates in Light's 'firestorm' protocol."
About Causal Connections
A directly causes B. The first event sets forces in motion that produce the second. These are the load-bearing connections of plot--remove one and the story structure collapses.